package Thread;

class Point{

}
class PointBuilder{
    public static Point makePointBYXY(double x , double y){
        Point p = new Point();
        //p.setX(x);
        //p.setY(y);
        return p;
    }
    public static Point makePointByRA(double r , double a){
        Point p = new Point();
        //p.setR(r);
        //p.setA(a);
        return p ;
    }
}
public class Demo33 {
    public static void main(String[] args) {
       // Thread.Point p = Thread.Point.makePointBYXY(10,20);
    }
}
